国产精品欧美日韩一区二区_亚洲va男人天堂_国产精品美乳一区二区免费_91久久精品国产91久久性色_国产精品午夜国产小视频_国产精品欧美一区二区三区奶水_国产精品久久久久福利_成人综合网网址_国产精品亚发布_日韩美女视频在线观看

News

Hilong's High-grade Steel Sulfur-resistant Drill Pipes Development and Application Project Won the Gold Award at Shanghai Excellent Invention Selection Competition

Date 2024-02-21

(Shanghai, February 20, 2024)  The Hilong Group’s project known as the "Development and Application of High-Strength Sulfur-Resistant Drill Pipe for High-Sulfur Ultra-Deep Complex Wells" earned the gold prize and was listed among the winning projects of the 35th Shanghai Excellent Invention Selection Competition that were recently announced. This competition is jointly organized by the Shanghai General Federation of Trade Unions, the Shanghai Intellectual Property Office, the Communist Youth League Shanghai Committee, the Shanghai Association for Science and Technology, and the Shanghai Invention Association. Hilong’s achievement follows the project's previous recognition in the sixth batch of high-tech achievements transformation in 2023 and its special project approval by the Shanghai Economic Commission for Intelligent Manufacturing and represents yet another honor this project has received.

The project, jointly applied by the Shanghai Hilong Tubular Goods Research Institute and the Shanghai Hilong Oil Drilling Tools Co., Ltd., addressed technical challenges in existing drill pipe technology, such as low torsional strength, poor sulfur resistance, and low load-bearing capacity. Technological innovation breakthroughs in special material design, heat treatment technology, manufacturing processes, thread structure design, and high-precision machining allowed the team to develop a series of high-grade sulfur-resistant drill pipe products with high sulfur resistance, high strength, high toughness, and high torsional resistance. These products have been applied in a large overseas oilfield, demonstrating leading product performance and technological advancement, both in terms of Chinese and international standards.

Hilong Group stated that this award reflects the Group’s drive to promote technological innovation in the field of oilfield equipment, strengthen the accumulation and protection of core intellectual property rights, and advance the transformation of scientific and technological achievements. The project has achieved full localization of new materials, processes, and production technology equipment. In doing so, Hilong has broken through technical barriers in harsh oil and gas drilling environments and driven the development of high-sulfur oil and gas fields. This enables deeper drilling, longer horizontal well sections, and more efficient and safer operations. Additionally, the project's products have gained recognition in the international high-end market, showcasing the competitiveness of Chinese manufacturing in the international high-end market and bringing significant economic benefits and engineering application value to enterprise development.

Approved by relevant municipal government agencies and jointly organized by multiple units and associations, the Shanghai Excellent Invention Selection Competition is an important scientific and technological award established by various groups in Shanghai. Since its inception in 1987, the competition has played a significant role in promoting scientific and technological progress as well as economic and social development in Shanghai.

国产精品欧美日韩一区二区_亚洲va男人天堂_国产精品美乳一区二区免费_91久久精品国产91久久性色_国产精品午夜国产小视频_国产精品欧美一区二区三区奶水_国产精品久久久久福利_成人综合网网址_国产精品亚发布_日韩美女视频在线观看
91精品综合久久久久久五月天| 91欧美精品成人综合在线观看| 亚洲综合大片69999| 欧美大片网站在线观看| 欧美极品欧美精品欧美视频| 91国语精品自产拍在线观看性色 | 97婷婷涩涩精品一区| 91精品国产乱码久久久久久久久| 91精品国产亚洲| 国产欧美一区二区三区在线看| 91系列在线播放| 欧洲成人午夜免费大片| 国产精品久久久久一区二区| 成人在线中文字幕| 2018中文字幕一区二区三区| 国产日韩欧美中文| 97碰在线观看| 国产噜噜噜噜噜久久久久久久久 | 91亚洲精品久久久久久久久久久久| 久久久噜噜噜久久久| 国产精品福利片| 久久琪琪电影院| 国产精品嫩草视频| 69av视频在线播放| 成人欧美一区二区三区在线湿哒哒 | 国产成人精品在线视频| 亚洲aa在线观看| 国产精品精品国产| 青青青国产精品一区二区| 成人两性免费视频| 日韩免费观看av| 欧美激情精品久久久久久久变态| 国产精品成熟老女人| 午夜精品久久久久久久白皮肤| 国产欧美一区二区三区四区| 日本高清+成人网在线观看| 国产在线精品自拍| 日韩美女视频在线观看| 国模叶桐国产精品一区| 91精品久久久久久久久不口人 | 国模私拍一区二区三区| 国产欧美 在线欧美| 欧美在线精品免播放器视频| 欧美激情视频一区二区| 国产精品一区久久| 国产精品6699| 日本久久久久久久久| 孩xxxx性bbbb欧美| 欧美夫妻性生活xx| 国产一区视频在线| 国产美女扒开尿口久久久| 国产成人久久精品| 国产成人亚洲综合91精品| 欧洲中文字幕国产精品| 91精品国产网站| 国模私拍视频一区| 国内自拍欧美激情| 97国产精品免费视频| 高清一区二区三区日本久| 久久久影视精品| 97香蕉久久超级碰碰高清版| 97视频免费在线看| 51精品国产黑色丝袜高跟鞋 | 91中文在线视频| 91精品在线观| 久久久久国产精品免费| 91免费在线视频| 亚洲一区二区日本| 亚洲综合自拍一区| 午夜精品久久久久久久99热| 欧洲精品毛片网站| 久久久免费在线观看| 992tv在线成人免费观看| 97精品久久久| 欧美诱惑福利视频| 日本伊人精品一区二区三区介绍| 欧美专区福利在线| 国产精品网红直播| 成人免费网视频| 亚洲自拍小视频免费观看| 色综合久久悠悠| 91精品国产777在线观看| 欧美有码在线观看| 国产精品久久久久久av福利软件| 国产精品久久久久久久久久99| 成人a视频在线观看| 亚洲xxx视频| 欧美在线视频一区| 国产在线视频不卡| 韩国精品美女www爽爽爽视频| 人体精品一二三区| 国产一区二区丝袜| 亚洲97在线观看| 国产精品老女人精品视频| 亚洲一区二区三区777| 欧美有码在线视频| 成人在线视频网站| 欧美一区亚洲一区| 91精品久久久久久久久久入口 | 久久久久久美女| 日韩美女在线播放| 91精品视频在线看| 青青草一区二区| 亚洲一区亚洲二区| 国产不卡在线观看| 久久久久久伊人| 国产精品露脸自拍| 91精品国产乱码久久久久久蜜臀| 国产欧美日韩综合精品| 6080yy精品一区二区三区| 成人激情在线观看| 日本欧美国产在线| 国内久久久精品| 91视频免费网站| 国产精品国产三级国产aⅴ浪潮| 欧美精品激情在线观看| 亚洲精品欧美极品| 国产成人一区二| 亚洲3p在线观看| 成人夜晚看av| 国产精品视频一区二区三区四| 国自产精品手机在线观看视频| 成人av在线天堂| 国产精品嫩草影院久久久| 欧美综合在线观看| 久久久女人电视剧免费播放下载| 国产日韩在线视频| 国产精品久久久久久久久免费| 国产精品亚洲综合天堂夜夜| 国产成人av网址| 国产97色在线| 国产91色在线免费| 青青青国产精品一区二区| 韩国一区二区电影| 欧美激情a在线| 91久久精品一区| 国产欧美日韩最新| 国产精品伦子伦免费视频| 国产成人精品av在线| 日本一区二区三区在线播放| 欧美一级大片在线免费观看| 97国产精品视频人人做人人爱| 欧美精品videossex88| 欧美激情按摩在线| 欧美激情精品久久久久久蜜臀 | 久久免费福利视频| 91亚洲人电影| 亚洲自拍偷拍一区| 欧美激情综合亚洲一二区| 欧美激情2020午夜免费观看| 欧美激情久久久| 亚洲永久免费观看| 亚洲精品欧美一区二区三区| 欧美国产第一页| 欧美激情视频在线| 91沈先生作品| 欧美激情亚洲精品| 午夜精品久久久久久99热| 欧美在线观看视频| 成人a免费视频| 国产精品69久久| 国产精品视频在线播放| 国产成人精品久久二区二区| 国产精品av在线| 55夜色66夜色国产精品视频 | 青草成人免费视频| 欧美精品成人91久久久久久久| 久久久久久国产精品| 91精品啪在线观看麻豆免费| 国产精品视频永久免费播放| 国产免费观看久久黄| 国产成人av网址| 国产精品电影网| 国产999在线观看| 久久久在线免费观看| 欧美大片免费观看在线观看网站推荐 | 国产精品视频yy9099| 国产91精品久久久久| 91sa在线看| 国产精品久久久久高潮| 91av视频在线观看| 国产成人啪精品视频免费网| 成人h猎奇视频网站| 国产做受高潮69| 欧美在线视频网| 国产99久久精品一区二区 夜夜躁日日躁| 国产精品伦子伦免费视频| 国产男人精品视频| 欧美激情免费视频| 日本不卡高字幕在线2019| 国产91在线播放九色快色| 国产精品麻豆va在线播放| 欧美激情视频一区| 国产福利视频一区| 91网站在线免费观看| 国产91在线视频| 欧美肥婆姓交大片| 国产成人a亚洲精品| 欧美一级片免费在线| 国产欧美精品日韩|